Events

SBQMI hosts numerous academic and other events throughout the year. Please search by audience or event type, or enter a keyword, to find events of interest to you.

If you are interested in inviting our faculty as keynote speakers at your event, or are a school group interested in visiting our labs, please contact us to submit your request.

Crystal Growth and High-Pressure Synthesis of Solid State Materials

12 Nov2015

Speaker: Nikolai Zhigadlo, Laboratory for Solid State Physics, ETH Zurich

Time: November 12, 2015, 2:00 - 3:00

Location: AMPEL 311

High-pressure conditions are often crucial for the successful synthesis of new materials, including many modern superconductors. After a short introduction to the technical aspects, the role of high-pressure, high-temperature methods in inorganic synthesis will be illustrated by means of several recent examples.

These encompass a broad range of compounds including: copper-based superconductors, ABO3 perovskite oxides, MgB2, pyrochlores,...

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Engineering Domain Walls and Planar Rumpling to Create a Room-Temperature Multiferroic

05 Nov2015

Speaker: Julia Mundy, UC Berkeley

Time: November 5, 2015, 2:00 - 3:00

Location: Hennings 318

Unusual electronic properties arise at interfaces in materials with strongly correlated electrons due to the low local symmetry combined with the sensitivity of these materials to geometric confinement, electrostatics and strain. In addition to heterointerfaces, domain walls in ferroics can exhibit properties that are markedly different than the parent material. These topological defects and their motion enables many useful...

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The Photo-Nernst Effect in Graphene

29 Oct2015

Speaker: David Cobden, Department of Physics, University of Washington, Seattle

Time: October 29, 2015, 2:00 - 3:00

Location: Hennings 318

Scanning photocurrent measurements provide a powerful means of studying the spatially resolved optoelectronic and electrical properties of a device. In graphene devices in a perpendicular magnetic field we observe photocurrent generated uniformly along the free edges, with opposite sign at opposite edges. The signal is antisymmetric in field, shows a peak versus gate voltage at the neutrality point flanked...

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Mapping Optoelectronic Properties at Their Native Length Scale in Lead Halide Perovskites and 2-D MoSe2

15 Oct2015

Speaker: Alexander Weber-Bargioni, Molecular Foundry, Lawrence Berkeley National Laboratory

Time: October 15, 2015, 2:00 - 3:00

Location: Hennings 318

Understanding and eventually controlling opto electronic processes at the native length scale, e.g. deliberately transporting excitons to predetermined sites where they perform work, will provide the access to a new parameter space for the development of next generation light harvesting materials.

Two fascinating material systems of interest to study local optoelectronic processes are perovskites and 2-D Transition...

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Edge Currents in Chiral Superfluids and Superconductors

13 Oct2015

Speaker: Wen Huang (McMaster and KITP)

Time: October 13, 2015, 1:00 - 2:00

Location: Hennings 309

Cooper pairs in two-dimensional chiral superfluids and superconductors carry non-zero and quantized orbital angular momentum. This leads to non-trivial topological properties of these chiral phases, as manifested in the presence of protected gapless chiral edge modes. On intuitive grounds, spontaneous supercurrent should arise at the edges of these systems, although it must lack topological protection due to U(1) symmetry...

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Imaging Molecules: A Journey from Real to Reciprocal Space and Back

08 Oct2015

Speaker: Stefan Tautz, Peter Grünberg Institute (PGI-3), Forschungszentrum Jülich & Jülich Aachen Research Alliance (JARA)

Time: October 8, 2015, 2:00 - 3:00

Location: Hennings 318

Imaging surface adsorbed molecules as precisely as possible is a fascinating goal, the attainment of which promises to open up many new possibilities in nanoscale engineering. For some time, scanning probe methods have been employed to image the electronic structure (scanning tunnelling microscopy) and, more recently, the geometric structure (atomic force microscopy) and charge distribution (Kelvin probe force microscopy)...

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Organic Solar Cells Based on Diluted Heterojunction

24 Sep2015

Speaker: Moritz Riede, Oxford University

Time: September 24, 2015, 2:00 - 3:00

Location: Hennings 318

Organic solar cells (OSC) have attracted increasing attention from academia and industry in recent years. Power conversion efficiencies (PCE) have reached more than 10% and lifetimes of more than 10y are expected. The architecture used for the most efficient OSC is based on the bulk heterojunction, a layer consisting of a 1:4 to 1:1 mixture (by weight or volume)...

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Cooper like pairing induced by electron ionic polarizability

22 Sep2015

Speaker: Yizhak Yacoby

Time: September 22, 2016, 2:00 - 3:00

Location: Hennings 318

Using the fact that the electron ionic polarizability response time is practically instantaneous we show that a charge carrier induces large attractive potential to a second carrier in small pockets in the two particle position space. Taking into account the inter-carrier repulsion and the kinetic energy needed in order to confine the carriers to the attractive potential pockets we...

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Spectroscopy on Novel (Oxide) Heterostructures Workshop

18 May2015

Speaker: Multiple Speakers

Time: May 18 - 20, 2015

Location: AMPEL 311

SNH VANCOUVER 2015 Website

The objective of the workshop is to bring together the (oxide) thin-film and heterostructure community with spectroscopists, as well as experts in the spin-orbital-lattice interplay in correlated oxides, to exchange ideas on how to explore and exploit thin-film approaches in the quest for new quantum phenomena and electronic properties. Talks will be...

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